JPS6227816U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a schematic configuration diagram of an embodiment of the present invention, Fig. 2 is an enlarged perspective view of a ventilation damper, and Fig. 3 is a
FIG. 2 is a sectional view taken along the line -- in FIG. 2; 10... Quarter panel, 11... Ventilation opening, 2
0... Ventilation damper, 21... Exhaust port, 30...
Connection means, 31... Vacuum motor, 32...
Link, 33...Solenoid switching valve, 34...Outside air introduction detection switch, 40...Relief valve, 41...Spring, 51...Bumper, 52...Intake manifold.

Claims (1)

[Scope of utility model registration request] A ventilation system for an automobile is configured to form a ventilation port on the rear side of the vehicle body in the direction of vehicle travel, and to exhaust air inside the vehicle to the outside of the vehicle through the ventilation port, and the ventilation port is closed. A ventilation damper is provided in the vehicle, and the ventilation damper is connected via a connecting means to an outside air introduction damper that selectively opens and closes an outside air introduction port for introducing outside air into the passenger compartment from the front side in the direction of vehicle travel. , is opened when outside air is introduced, and closed when outside air is not introduced; further, an exhaust port is formed on the ventilation damper so as to be included in the ventilation port when the ventilation damper is closed, and the exhaust port is closed. A relief valve for an automobile, characterized in that the relief valve is normally applied with a spring force so as to close the exhaust port, and is opened by air pressure from inside the passenger compartment. Ventilation equipment.